1279938051

素因数分解:

$3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{1657}}^1$

素因数の和:1801

約数の個数: 64

約数和(自身を含む): 2236840960

約数和(自身を除く): 956902909

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 67, 183, 189, 201, 427, 469, 549, 603, 1281, 1407, 1647, 1657, 1809, 3843, 4087, 4221, 4971, 11529, 11599, 12261, 12663, 14913, 28609, 34797, 36783, 44739, 85827, 101077, 104391, 110349, 111019, 257481, 303231, 313173, 333057, 707539, 772443, 777133, 909693, 999171, 2122617, 2331399, 2729079, 2997513, 6367851, 6772159, 6994197, 19103553, 20316477, 20982591, 47405113, 60949431, 142215339, 182848293, 426646017, 1279938051]

約数ペア:

[(1, 1279938051), (3, 426646017), (7, 182848293), (9, 142215339), (21, 60949431), (27, 47405113), (61, 20982591), (63, 20316477), (67, 19103553), (183, 6994197), (189, 6772159), (201, 6367851), (427, 2997513), (469, 2729079), (549, 2331399), (603, 2122617), (1281, 999171), (1407, 909693), (1647, 777133), (1657, 772443), (1809, 707539), (3843, 333057), (4087, 313173), (4221, 303231), (4971, 257481), (11529, 111019), (11599, 110349), (12261, 104391), (12663, 101077), (14913, 85827), (28609, 44739), (34797, 36783)]